When you save a project in Color 1.5 that was created in an earlier version of Color and then reopen it in its earlier version, all Color FX node values will be reset to zero.
Programs
Color 1.5
Solution
Avoid opening and saving projects in Color 1.5 that were created in an earlier version of Color if you plan to continue working with the earlier version of Color. If you must continue working on the project, then stay in the latest version of Color.